by SO, S, MACKENZIE, J. I, SHEPHERD, D. P, CLARKSON, W. A, BETTERTON, J. G, GORTON, E. K
Published in Applied physics. B, Lasers and optics (01.09.2006)

by Markille, G.A.J., Baker, J.J., Betterton, J.G., Hall, D.R.
Published in IEEE journal of quantum electronics (01.08.1999)

by Markillie, G.A.J., Betterton, J.G., Baker, H.J., Hall, D.R.
Published in CLEO/Europe Conference on Lasers and Electro-Optics (1998)

by Betterton, J.G., Baker, H.J.
Published in Proceedings of European Meeting on Lasers and Electro-Optics (1996)